Search a number
-
+
31450052 = 227862513
BaseRepresentation
bin111011111111…
…0001111000100
32012011211100202
41313332033010
531022400202
63042030032
7531215054
oct167761704
965154322
1031450052
1116830987
12a648318
136691cca
144269564
152b63802
hex1dfe3c4

31450052 has 6 divisors (see below), whose sum is σ = 55037598. Its totient is φ = 15725024.

The previous prime is 31450043. The next prime is 31450057. The reversal of 31450052 is 25005413.

It can be written as a sum of positive squares in only one way, i.e., 27709696 + 3740356 = 5264^2 + 1934^2 .

It is not an unprimeable number, because it can be changed into a prime (31450057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3931253 + ... + 3931260.

It is an arithmetic number, because the mean of its divisors is an integer number (9172933).

Almost surely, 231450052 is an apocalyptic number.

It is an amenable number.

31450052 is a deficient number, since it is larger than the sum of its proper divisors (23587546).

31450052 is a wasteful number, since it uses less digits than its factorization.

31450052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7862517 (or 7862515 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 31450052 is about 5608.0345933313. The cubic root of 31450052 is about 315.6509658996.

Adding to 31450052 its reverse (25005413), we get a palindrome (56455465).

The spelling of 31450052 in words is "thirty-one million, four hundred fifty thousand, fifty-two".

Divisors: 1 2 4 7862513 15725026 31450052